KR20070014169A - 다중-입력-다중-출력 ofdm 무선 근거리 네트워크를구현하기 위한 방법 및 시스템 - Google Patents
다중-입력-다중-출력 ofdm 무선 근거리 네트워크를구현하기 위한 방법 및 시스템 Download PDFInfo
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- KR20070014169A KR20070014169A KR1020067023529A KR20067023529A KR20070014169A KR 20070014169 A KR20070014169 A KR 20070014169A KR 1020067023529 A KR1020067023529 A KR 1020067023529A KR 20067023529 A KR20067023529 A KR 20067023529A KR 20070014169 A KR20070014169 A KR 20070014169A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/0202—Channel estimation
- H04L25/0224—Channel estimation using sounding signals
- H04L25/0226—Channel estimation using sounding signals sounding signals per se
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/0413—MIMO systems
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
- H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
- H04B7/0684—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission using different training sequences per antenna
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
- H04L1/0056—Systems characterized by the type of code used
- H04L1/0057—Block codes
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
- H04L1/0056—Systems characterized by the type of code used
- H04L1/0071—Use of interleaving
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
- H04L1/0072—Error control for data other than payload data, e.g. control data
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/02—Arrangements for detecting or preventing errors in the information received by diversity reception
- H04L1/04—Arrangements for detecting or preventing errors in the information received by diversity reception using frequency diversity
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/02—Arrangements for detecting or preventing errors in the information received by diversity reception
- H04L1/06—Arrangements for detecting or preventing errors in the information received by diversity reception using space diversity
- H04L1/0618—Space-time coding
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/26—Systems using multi-frequency codes
- H04L27/2601—Multicarrier modulation systems
- H04L27/2602—Signal structure
- H04L27/261—Details of reference signals
- H04L27/2613—Structure of the reference signals
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/26—Systems using multi-frequency codes
- H04L27/2601—Multicarrier modulation systems
- H04L27/2626—Arrangements specific to the transmitter only
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/26—Systems using multi-frequency codes
- H04L27/2601—Multicarrier modulation systems
- H04L27/2647—Arrangements specific to the receiver only
- H04L27/2649—Demodulators
- H04L27/26524—Fast Fourier transform [FFT] or discrete Fourier transform [DFT] demodulators in combination with other circuits for demodulation
- H04L27/26526—Fast Fourier transform [FFT] or discrete Fourier transform [DFT] demodulators in combination with other circuits for demodulation with inverse FFT [IFFT] or inverse DFT [IDFT] demodulators, e.g. standard single-carrier frequency-division multiple access [SC-FDMA] receiver or DFT spread orthogonal frequency division multiplexing [DFT-SOFDM]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/0202—Channel estimation
- H04L25/0204—Channel estimation of multiple channels
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/26—Systems using multi-frequency codes
- H04L27/2601—Multicarrier modulation systems
- H04L27/2602—Signal structure
- H04L27/2605—Symbol extensions, e.g. Zero Tail, Unique Word [UW]
- H04L27/2607—Cyclic extensions
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/26—Systems using multi-frequency codes
- H04L27/2601—Multicarrier modulation systems
- H04L27/2626—Arrangements specific to the transmitter only
- H04L27/26265—Arrangements for sidelobes suppression specially adapted to multicarrier systems, e.g. spectral precoding
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/26—Systems using multi-frequency codes
- H04L27/2601—Multicarrier modulation systems
- H04L27/2647—Arrangements specific to the receiver only
- H04L27/2655—Synchronisation arrangements
- H04L27/2657—Carrier synchronisation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/0001—Arrangements for dividing the transmission path
- H04L5/0014—Three-dimensional division
- H04L5/0023—Time-frequency-space
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- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Discrete Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- Radio Transmission System (AREA)
- Detection And Prevention Of Errors In Transmission (AREA)
- Error Detection And Correction (AREA)
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US57063704P | 2004-05-13 | 2004-05-13 | |
US60/570,637 | 2004-05-13 | ||
US61472604P | 2004-09-30 | 2004-09-30 | |
US60/614,726 | 2004-09-30 |
Publications (1)
Publication Number | Publication Date |
---|---|
KR20070014169A true KR20070014169A (ko) | 2007-01-31 |
Family
ID=34967069
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020067023529A KR20070014169A (ko) | 2004-05-13 | 2005-05-10 | 다중-입력-다중-출력 ofdm 무선 근거리 네트워크를구현하기 위한 방법 및 시스템 |
Country Status (5)
Country | Link |
---|---|
US (1) | US20070248174A1 (de) |
EP (1) | EP1751903A2 (de) |
JP (1) | JP2007537651A (de) |
KR (1) | KR20070014169A (de) |
WO (1) | WO2005112323A2 (de) |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7376191B2 (en) * | 2000-10-27 | 2008-05-20 | Lightwaves Systems, Inc. | High bandwidth data transport system |
US7986729B2 (en) * | 1999-10-28 | 2011-07-26 | Lightwaves Systems, Inc. | High bandwidth data transport system |
US7545868B2 (en) * | 2001-03-20 | 2009-06-09 | Lightwaves Systems, Inc. | High bandwidth data transport system |
US7983349B2 (en) * | 2001-03-20 | 2011-07-19 | Lightwaves Systems, Inc. | High bandwidth data transport system |
US8270452B2 (en) * | 2002-04-30 | 2012-09-18 | Lightwaves Systems, Inc. | Method and apparatus for multi-band UWB communications |
US7961705B2 (en) | 2003-04-30 | 2011-06-14 | Lightwaves Systems, Inc. | High bandwidth data transport system |
US7366250B2 (en) | 2004-09-09 | 2008-04-29 | Agere Systems Inc. | Method and apparatus for improved efficiency in an extended multiple antenna communication system |
KR100638593B1 (ko) | 2004-12-13 | 2006-10-27 | 한국전자통신연구원 | 다입력 다출력 직교 주파수 분할 다중 변복조장치에서 고속푸리에 변환 장치의 동작 스케줄을 설계하는 방법 및 그방법을 사용한 변복조장치 |
WO2006065026A1 (en) * | 2004-12-13 | 2006-06-22 | Electronics And Telecommunications Research Institute | Method for designing operation schedules of fft and mimo-ofdm modem thereof |
CN101427537A (zh) * | 2006-03-20 | 2009-05-06 | 高通股份有限公司 | 使用信令信道的上行链路信道估计 |
US9130791B2 (en) | 2006-03-20 | 2015-09-08 | Qualcomm Incorporated | Uplink channel estimation using a signaling channel |
DK2030394T3 (da) | 2006-06-09 | 2014-10-27 | Tq Lambda Llc | Fremgangsmåde til transmission af data i et mobilkommunikationssystem |
US7944978B2 (en) * | 2007-10-29 | 2011-05-17 | Lightwaves Systems, Inc. | High bandwidth data transport system |
KR100937430B1 (ko) | 2008-01-25 | 2010-01-18 | 엘지전자 주식회사 | 신호 송수신 방법 및 신호 송수신 장치 |
JP2010034976A (ja) * | 2008-07-30 | 2010-02-12 | Mitsubishi Electric Corp | 誤り訂正符号化装置、誤り訂正復号装置及び誤り訂正符号化方法 |
US20120002622A1 (en) * | 2010-07-02 | 2012-01-05 | Ralink Technology (Singapore) Corporation Pte. Ltd. | Method for signal space partition and assignment and apparatus using the same |
US11909562B2 (en) * | 2020-03-30 | 2024-02-20 | Maxlinear, Inc. | Channel training adaptation |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5852630A (en) * | 1997-07-17 | 1998-12-22 | Globespan Semiconductor, Inc. | Method and apparatus for a RADSL transceiver warm start activation procedure with precoding |
US6458981B1 (en) * | 2000-10-11 | 2002-10-01 | Albion International, Inc. | Composition and method for preparing amino acid chelate hydroxides free of interfering ions |
US20020111142A1 (en) * | 2000-12-18 | 2002-08-15 | Klimovitch Gleb V. | System, apparatus, and method of estimating multiple-input multiple-output wireless channel with compensation for phase noise and frequency offset |
KR100673419B1 (ko) * | 2000-12-28 | 2007-01-24 | 엘지전자 주식회사 | 전송 시스템 및 데이터 처리 방법 |
US7269127B2 (en) * | 2001-10-04 | 2007-09-11 | Bae Systems Information And Electronic Systems Integration Inc. | Preamble structures for single-input, single-output (SISO) and multi-input, multi-output (MIMO) communication systems |
US7280604B2 (en) * | 2002-04-22 | 2007-10-09 | Regents Of The University Of Minnesota | Space-time doppler coding schemes for time-selective wireless communication channels |
GB2393618B (en) * | 2002-09-26 | 2004-12-15 | Toshiba Res Europ Ltd | Transmission signals methods and apparatus |
KR100539924B1 (ko) * | 2003-07-08 | 2005-12-28 | 삼성전자주식회사 | 직교 주파수 분할 다중 방식을 사용하는 이동 통신시스템에서 채널 추정 시스템 및 방법 |
-
2005
- 2005-05-10 KR KR1020067023529A patent/KR20070014169A/ko not_active Application Discontinuation
- 2005-05-10 EP EP05735680A patent/EP1751903A2/de not_active Withdrawn
- 2005-05-10 JP JP2007512692A patent/JP2007537651A/ja not_active Withdrawn
- 2005-05-10 WO PCT/IB2005/051529 patent/WO2005112323A2/en not_active Application Discontinuation
- 2005-05-10 US US11/569,009 patent/US20070248174A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
WO2005112323A3 (en) | 2006-02-16 |
WO2005112323A2 (en) | 2005-11-24 |
US20070248174A1 (en) | 2007-10-25 |
EP1751903A2 (de) | 2007-02-14 |
JP2007537651A (ja) | 2007-12-20 |
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